Porsche 718 Tire Sizes

Here is a list of Porsche 718 tire sizes, including the correct sizes for each year and model.

2017 Porsche 718 Tire Sizes

Submodel	Tire Sizes
Boxster	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)

2018 Porsche 718 Tire Sizes

Submodel	Tire Sizes
Boxster	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster GTS	235/35R20 (front) 265/35R20 (rear)
Boxster S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman GTS	235/35R20 (front) 265/35R20 (rear)
Cayman S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)

2019 Porsche 718 Tire Sizes

Submodel	Tire Sizes
Boxster	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster GTS	235/35R20 (front) 265/35R20 (rear)
Boxster S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman GTS	235/35R20 (front) 265/35R20 (rear)
Cayman S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)

2020 Porsche 718 Tire Sizes

Submodel	Tire Sizes
Boxster	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster T	235/35R20 (front) 265/35R20 (rear)
Cayman	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman GT4	245/35R20 (front) 295/30R20 (rear)
Cayman S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman T	235/35R20 (front) 265/35R20 (rear)
Spyder	245/35R20 (front) 295/30R20 (rear)

2021 Porsche 718 Tire Sizes

Submodel	Tire Sizes
Boxster	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster GTS	235/35R20 (front) 265/35R20 (rear)
Boxster S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster T	235/35R20 (front) 265/35R20 (rear)
Cayman	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman GT4	245/35R20 (front) 295/30R20 (rear)
Cayman GTS	235/35R20 (front) 265/35R20 (rear)
Cayman S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman T	235/35R20 (front) 265/35R20 (rear)
Spyder	245/35R20 (front) 295/30R20 (rear)

2022 Porsche 718 Tire Sizes

Submodel	Tire Sizes
Boxster	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster GTS 4.0	235/35R20 (front) 265/35R20 (rear)
Boxster S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster T	235/35R20 (front) 265/35R20 (rear)
Cayman	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman GT4	245/35R20 (front) 295/30R20 (rear)
Cayman GT4 RS	245/35R20 (front) 295/30R20 (rear)
Cayman GTS 4.0	235/35R20 (front) 265/35R20 (rear)
Cayman S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman T	235/35R20 (front) 265/35R20 (rear)
Spyder	245/35R20 (front) 295/30R20 (rear)

2023 Porsche 718 Tire Sizes

Submodel	Tire Sizes
Boxster	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster GTS 4.0	235/35R20 (front) 265/35R20 (rear)
Boxster S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Boxster T	235/35R20 (front) 265/35R20 (rear)
Cayman	235/45R18 (front) 265/45R18 (rear) 235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman GT4	245/35R20 (front) 295/30R20 (rear)
Cayman GT4 RS	245/35R20 (front) 295/30R20 (rear)
Cayman GTS 4.0	235/35R20 (front) 265/35R20 (rear)
Cayman S	235/40R19 (front) 265/40R19 (rear) 235/35R20 (front) 265/35R20 (rear)
Cayman T	235/35R20 (front) 265/35R20 (rear)
Spyder	245/35R20 (front) 295/30R20 (rear)